/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package marsaMaroc.controllers;

import java.awt.Color;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import marsaMaroc.dao.GraphiquesDAO;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.DefaultPieDataset;

/**
 *
 * @author Administrateur
 */
public class PieChart extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    GraphiquesDAO graphiquesDAO = new GraphiquesDAO();
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

        int type = graphiquesDAO.selectTypeReclamations("type");
        int type1 = graphiquesDAO.selectTypeReclamations("type1");
        int type2 = graphiquesDAO.selectTypeReclamations("type2");
        int type3 = graphiquesDAO.selectTypeReclamations("type3");
        DefaultPieDataset pieDataset = new DefaultPieDataset();
        pieDataset.setValue("type", type);
        pieDataset.setValue("type1", type1);
        pieDataset.setValue("type2", type2);
        pieDataset.setValue("type3", type3);

        JFreeChart pieChart = ChartFactory.createPieChart("Nombre de factures par type",
                pieDataset, false, true, true);
        pieChart.setBackgroundPaint(Color.WHITE);
        OutputStream out = response.getOutputStream();
        response.setContentType("image/png");
        ChartUtilities.writeChartAsPNG(out, pieChart, 350, 250);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
